var http = require('http');
http.createServer(function (req, res) {
    res.writeHead(200, {'Content-Type': 'text/plain'});

    var body = '';
    req.on('data', function (data) {
        body += data;
    });
    req.on('end', function() {
        console.log('body: ' + body);
    });
    res.end('');

}).listen(12345);